题解 | #带空格直角三角形图案#

//箭形上半截
void fun_1(int o)
{
    int k = o*2;
    int c = 1;
       for (int d=0;d < o+1;d++)
       {
          for (int a = 0;a < k;a++)
        {
            printf (" ");
        }
        k -= 2;
        for(int b = 0;b <c;b++)
        {
            printf ("*");
        }
        c++; 
           printf("\n");
       }
}
//箭形下半截
void fun_2(int o)
{
    int k = 2;
    int c = o;
    for (int d = 0;d < o;d++)
    {
        for(int a = 0;a < k;a++)
      {
        printf(" ");
      }
        k += 2;
        for(int b = 0;b < c;b++)
      {
        printf("*");
      }
        c--;
        printf("\n");
    }
  
}
int main()
{
    int i = 0;
    
    while ((scanf("%d",&i)) != EOF)
    {
      fun_1(i);
        fun_2(i);
    }
    return 0;
}